Unit Test PRACTICE

What is the correct definition of an Engineer?

• A person who uses science knowledge to design something in order to solve a problem.

• All the living things on Earth.

• The solid part of Earth.

• The air that surrounds Earth.

What does the term Biosphere refer to?

• The solid part of Earth.

• All the liquid water and ice on Earth.

• The air that surrounds Earth.

• All the living things on Earth.

Which of the following is the Atmosphere?

• The solid part of Earth.

• All the living things on Earth.

• The air that surrounds Earth.

• All the liquid water and ice on Earth.

What encompasses all the liquid water and ice on Earth?

• Hydrosphere

• Geosphere

• Biosphere

• Atmosphere

Which term describes water that has been used and now contains harmful substances?

• Water vapor

• Wastewater

• Reclaimed water

• Effluent

What is a process in which substances change into different substances?

• Chemical reaction

• Physical change

• Chemical change

• Evaporation

What term describes a group of parts that work together?

• Evaporation

• Organization

• System

• Rule

What is an area with dry conditions found on the leeward side of a mountain range called?

• Rule

• Physical change

• Rain shadow

• Effluent

The stuff that things are made of is called:

• Molecule

• Matter

• Synthesize

• None of the above

A group of atoms joined together in a particular way is known as a:

• Molecule

• Matter

• Synthesize

• None of the above